public ChatMessageListResult StartConversation(int SenderID)
{
WebOperationContext.Current.OutgoingResponse.Headers.Add("Cache-Control", "no-cache");
ChatMessageListResult result = null;
try
{
if (SPUtility.ValidateFormDigest())
{
IChatMessageRepository repo = new ChatMessageRepository();
// get the users timezone
SPTimeZone zone = SPContext.Current.Web.RegionalSettings.TimeZone;
if (SPContext.Current.Web.CurrentUser.RegionalSettings != null)
{
SPRegionalSettings rs = SPContext.Current.Web.CurrentUser.RegionalSettings;
zone = rs.TimeZone;
}
var newItems = repo.GetUnReadByUserIDAndSenderID(SPContext.Current.Web.CurrentUser.ID, SenderID)
.Select(m => new ChatMessageServiceView()
{
ID = m.ID,
Created = (zone.UTCToLocalTime(m.Created)).ToString(),
CreatedDateOnly = (zone.UTCToLocalTime(m.Created).Date).ToShortDateString(),
CreatedTimeOnly = (zone.UTCToLocalTime(m.Created)).ToString("HH:mm"),
CreatedBy = m.CreatedBy.Name,
Message = m.Message,
IsOld = false,
Receivers = m.Receivers.Select(r => new ChatContactServiceView()
{
ID = r.ID,
Name = r.Name,
Username = r.Username.Split('\\').Last()
}).ToArray()
}).ToArray();
var someOldItems = repo.GetLastByUserIDAndSenderID(SPContext.Current.Web.CurrentUser.ID, SenderID, 3)
.Select(m => new ChatMessageServiceView()
{
ID = m.ID,
Created = (zone.UTCToLocalTime(m.Created)).ToString(),
CreatedDateOnly = (zone.UTCToLocalTime(m.Created).Date).ToShortDateString(),
CreatedTimeOnly = (zone.UTCToLocalTime(m.Created)).ToString("HH:mm"),
CreatedBy = m.CreatedBy.Name,
Message = m.Message,
IsOld = true,
Receivers = m.Receivers.Select(r => new ChatContactServiceView()
{
ID = r.ID,
Name = r.Name,
Username = r.Username.Split('\\').Last()
}).ToArray()
}).ToArray();
result = new ChatMessageListResult()
{
LastRequested = DateTime.Now.ToString(),
};
if (newItems.Length > 0)
{
repo.SetChatMessagesRead(newItems.Select(i => i.ID).ToArray());
}
result.ChatMessages = someOldItems.Concat(newItems).ToArray();
}
else
{
WebOperationContext.Current.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.Unauthorized;
WebOperationContext.Current.OutgoingResponse.StatusDescription = Language.UserNotValidated;
}
}
catch (Exception ex)
{
Config.WriteException(ex);
WebOperationContext.Current.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.InternalServerError;
WebOperationContext.Current.OutgoingResponse.StatusDescription = Language.GetMessagesError;
}
return(result);
}